bootm: Update bootm_process_cmdline_env() to use flags

At present only one transformation is supported: making the Linux console
silent. To prepare for adding more, convert the boolean parameter into a
flag value.

Signed-off-by: Simon Glass <sjg@chromium.org>

1 files changed, 9 insertions, 2 deletions

diff --git a/include/bootm.h b/include/bootm.h
index f12ee2b3cb3..4876d7b2882 100644
--- a/include/bootm.h
+++ b/include/bootm.h
@@ -75,6 +75,13 @@ void board_quiesce_devices(void);
  */
 void switch_to_non_secure_mode(void);
 
+/* Flags to control bootm_process_cmdline() */
+enum bootm_cmdline_t {
+	BOOTM_CL_SILENT	= 1 << 0,	/* Do silent console processing */
+
+	BOOTM_CL_ALL	= 1,		/* All substitutions */
+};
+
 /**
  * arch_preboot_os() - arch specific configuration before booting
  */
@@ -91,9 +98,9 @@ void board_preboot_os(void);
  * Updates the 'bootargs' envvar as required. This handles making Linux boot
  * silently if requested ('silent_linux' envvar)
  *
- * @do_silent: Process bootargs for silent console
+ * @flags: Flags to control what happens (see bootm_cmdline_t)
  * @return 0 if OK, -ENOMEM if out of memory
  */
-int bootm_process_cmdline_env(bool do_silent);
+int bootm_process_cmdline_env(int flags);
 
 #endif